Minio used to be able to do this, but they dropped this feature - "gateway mode" - several years ago.

Minio doesn't need to have first-class support for NFS. You can quite easily point an NFS share mounted as a directory in the Minio container.

> I believe you're forced to have your data backed by a Ceph OSD.

It makes perfect sense as this is a feature of Ceph.

> Whereas Minio can point to an NFS share on a NAS.

Eh, different trade-offs.